Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891206 | Process for the removal of undesirable metal ions, especially vanadium ions, in the concentration of dilute iron(II) sulfate-containing sulfuric acid solutions | Helmut Steinhausen | 1990-01-02 |
| 4275041 | Process for manufacturing a stable titanyl sulfate solution | Joseph Waldman, Edgar Klein, Joseph A. Rahm | 1981-06-23 |
| 4229399 | Process for pelletizing and neutralizing solid mixtures of metal chlorides | Donald G. Cole, Achim Hartmann, Hermann B. Trub | 1980-10-21 |
| 4207201 | Process for the manufacture of an aqueous iron (III)-chloride-sulfate solution | Achim Hartmann, Dieter Schinkitz, Edgar Klein | 1980-06-10 |